panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x5d3d24] goroutine 1 [running]: github.com/google/syzkaller/prog.(*Target).BuildChoiceTable(0xc000091520, 0xc009f80000, 0x8259, 0x9800, 0xc0001e3e48, 0x3) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:213 +0x354 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:276 +0x13af FreeBSD/amd64 (ci-freebsd-main-8.c.syzkaller.internal) (ttyu0) login: